To prevent concrete from freezing before it cures in cold weather, __ can be used. A. curing compounds B. expanding plastic cell slabs C. plastic sheeting D. flowign water

**Correct Answer: C. plastic sheeting**<br /><br />Plastic sheeting can be used to cover the concrete and help retain heat, preventing it from freezing before it cures in cold weather. It acts as an insulating layer and protects the concrete from exposure to freezing temperatures.